After-hours buzz: JWN, TTD, CYBR & more

A trader wearing a 'Dow 20,000' hat works on the floor of the New York Stock Exchange (NYSE), December 13, 2016 in New York City.

Check out which companies are making headlines after the bell on Thursday:

Trade Desk shares skyrocketed more than 16 percent during after-hours following an earnings beat, reporting that its earnings doubled in the first quarter. The company reported earnings of 11 cents a share on revenue of $53.4 million while analysts expected a revenue of $43.3 million, according to Thomson Reuters consensus estimates.

Shares of Nordstrom fell more than 5 percent during extended trade following disappointing same-store sales figures. Even though the retailer reported an earnings and revenue beat, the high-end department store reported that same-store sales slipped 0.8%, compared to analysts' expectations for slipping 0.1 percent, according to Thomson Reuters consensus estimates.

Shares of Cyberark software slid more than 6 percent during after hours after posting a weak earnings forecast. The company posted an earnings guidance of 23 cents a share to 25 cents a share on revenue of $61 million to $62 million, while analyst estimated earnings of 27 cents a share on revenue of $62.5 million, according to Factset estimates.

CA shares surged 5 percent during extended trade after an earnings beat for its fourth quarter. The software company reported earnings of 54 cents a share on revenue of $1.01 billion while Wall Street expected earnings of 49 cents a share on revenue of $996 million, according to Thomson Reuters consensus estimates.